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Hunter-Best [27]
4 years ago
8

Solve the equation. –18 = p over 2

Mathematics
1 answer:
dimulka [17.4K]4 years ago
3 0

Answer:

Step-by-step explanation:

-18 = p / 2....multiply both sides by 2, cancelling out the 2 on the right side

-18 * 2 = p

- 36 = p <===

if it makes it easier to understand, p/2 is the same as (1/2)p

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Write the expression 6a - 2 (a - 1)
ehidna [41]
The answer is 4
A = 1 so, 6x1 is 6 - 2 = 4
5 0
3 years ago
What is the inverse of function f? F(X) = square root of x +7
katrin2010 [14]

Answer: f^{-1} (x)=x^{2} -7

Step-by-step explanation:

To find the inverse of a function replace f(x) with x and the original x with y

f(x)=\sqrt{x+7} \\x=\sqrt{y+7}

Now we can solve for y

Square both sides so we can cancel out the root

x=\sqrt{y+7}\\x^{2} =\sqrt{y+7}^{2} \\x^{2} =y+7

Now subtract 7 from both sides

x^{2} =y+7\\x^{2} -7=y+7-7\\x^{2} -7=y

Now replace y with the inverse of f(x), f^{-1} (x)

6 0
3 years ago
Read 2 more answers
Limit question: lim x--&gt;pi ((e^sinx)-1)/(x-pi)
aleksandr82 [10.1K]
\displaystyle\lim_{x\to\pi}\dfrac{e^{\sin x}-1}{x-\pi}

Notice that if f(x)=e^{\sin x}, then f(\pi)=e^{\sin\pi}=e^0=1. Recall the definition of the derivative of a function f(x) at a point x=c:

f'(c):=\displaystyle\lim_{x\to c}\frac{f(x)-f(c)}{x-c}

So the value of this limit is exactly the value of the derivative of f(x)=e^{\sin x} at x=\pi.

You have

f'(x)=\cos x\,e^{\sin x}\implies f'(\pi)=\cos\pi\,e^{\sin\pi}=-1
4 0
4 years ago
Which expression best represents the phrase"7 less than the quotient of 2x and 5"
vichka [17]

Answer:

x9-7

Step-by-step explanation:

3 0
3 years ago
Geometry only answer if you know
nalin [4]
<h2><u>My complete work</u> :</h2>

Given :

  • ∠F = ∠J
  • ∠D = ∠H
  • ∠E = ∠I

Sum of all angles in a triangle = 180°

Which means :

  • 41 + 20 + 15x - 1 = 180

= \tt61 + 15x - 1 = 180

=\tt 61 - 1 + 15x = 180

=\tt 60 + 15x = 180

= \tt15x = 180 - 60

=\tt 15x = 120

= \tt \: x =  \frac{120}{15}

=\tt x = 18

  • Thus, the value of x = 18

Measure of angle 15x-1 :

= \tt15 \times 8 - 1

=\tt120 - 1

=\tt 119

Thus, the measure of angle 15x-1 = 119°

Let us place 8 in the place of x to see if we have found out the correct measure of the angles :

= \tt40 + 21 + 119 = 180

= \tt61 + 119 = 180

=\tt 180 = 180

Since the measures of all the angle sum up to form 180°, we can conclude that we have found out the correct measure of each of the angles.

Therefore, the value of x = 8

<h2><u>My answer</u> :</h2>

\boxed{\color{plum}\bold{x = 8}}

4 0
3 years ago
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